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Neuropixels probes (or "Neuropixels") are electrodes developed in 2017 to record the activity of hundreds of neurons in the brain. The probes are based on CMOS technology and have 1,000 recording sites arranged in two rows on a thin, 1-cm long shank.
The subsequent milestone involves the assembly of a brain-wide map of activity. This map of activity is being obtained with Neuropixels probes, which allow recording up to 300-1000 neurons simultaneously. [7] Other recording technologies, such as calcium imaging, will be used in the second phase. These data will then be analyzed and integrated ...
The first implantable arrays were microwire arrays developed in the 1950s. [9] The first experiment involving the use of an array of planar electrodes to record from cultured cells was conducted in 1972 by C.A. Thomas, Jr. and his colleagues. [6]
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TOP: The phased array probe emits a series of beams to flood the weld with sound. BOTTOM: The flaw in the weld appears as a red indication on the instrument screen. Phased array ultrasonics ( PA ) is an advanced method of ultrasonic testing that has applications in medical imaging and industrial nondestructive testing .
A coordinate-measuring machine (CMM) is a device that measures the geometry of physical objects by sensing discrete points on the surface of the object with a probe. Various types of probes are used in CMMs, the most common being mechanical and laser sensors, though optical and white light sensors do exist.
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A CTD instrument is an oceanography sonde (French for probe) used to measure the electrical conductivity, temperature, and pressure of seawater. The pressure is closely related to depth. Conductivity is used to determine salinity. The CTD may be incorporated into an array of Niskin bottles referred to as a carousel or rosette. The sampling ...